12 Days of Christmas
393
Abundant Numbers
607
Abundant Numbers (Long)
666
Arithmetic Numbers
646
Collatz
743
Divisors
824
Emojify
415
Fibonacci
624564932
Fizz Buzz
568
847
Foo Fizz Buzz Bar
714
ISBN
581
Niven Numbers
767
Niven Numbers (Long)
833
Pangram Grep
721705
Tongue-twisters
373
Vampire Numbers
69
π
56